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Chapter 3.   

 3-3

 

Troubleshooting

If you have a problem setting up or using your monitor, you might be able to solve it 

yourself. Before calling your dealer or Lenovo, try the suggested actions that are 

appropriate to your problem.
   

Table 3-2. 

Troubleshooting

Problem

Possible cause

Suggested action

Reference

The words "Out 

of Range" are 

shown on the 

screen, and the 

power indicator 

is flashing white.

The system is set to a 

display mode which 

is not supported by 

the monitor.

If you are replacing an 

old monitor, reconnect it 

and adjust the display 

mode to within the 

specified range for your 

new monitor.

If using a Windows 

system, restart the system 

in safe mode, then select a 

supported display mode 

for your computer.

If these options do not 

work, contact the Support 

Center.

"Selecting a 

supported display 

mode"on page 2-7

The image 

quality is 

unacceptable.

The video signal cable 

is not connected with 

the monitor or system 

completely.

Be sure the signal cable is 

firmly plugged into the 

system and monitor.

"Connecting and 

turning on your 

monitor"on page 1-4

The color settings 

may be incorrect.

Select another color 

setting from the OSD 

menu.

"Adjusting your 

monitor image"on 

page 2-3

The automatic image 

setup function was 

not performed.

Perform automatic image 

setup.

"Adjusting your 

monitor image"on 

page 2-3

The power 

indicator is not 

lit and there is 

no image.

The monitor’s 

power switch is 

not switched on.

The power cord is 

loose or 

disconnected.

There is no power 

at the outlet.

Be sure the power 

cord is connected 

properly.

Be sure the outlet has 

power.

Power on the 

monitor.

Try  using  another 

power cord.

Try  using  another 

electrical outlet.

"Connecting and 

turning on your 

monitor"on page 1-4

Screen is blank 

and power 

indicator is  

amber.

The monitor is in 

Standby/Suspend 

mode.

Press any key on the 

keyboard or move 

the mouse to restore 

operation.

Check  the  Power 

Options settings on 

your computer.

"Understanding 

power 

management"on 

page 2-9

Summary of Contents for LI2721s

Page 1: ...LI2721s Wide Flat Panel Monitor User s Guide ...

Page 2: ...ercial items as defined by 48 C F R 2 101 with limited and restricted rights to use reproduction and disclosure LIMITED AND RESTRICTED RIGHTS NOTICE If products data computer software or services are delivered pursuant a General Services Administration GSA contract use reproduction or disclosure is subject to restrictions set forth in Contract No GS 35F 05925 Product numbers LI2721swA 4371 HB1 ...

Page 3: ...r image 2 3 Using the direct access controls 2 3 Using the On Screen Display OSD controls 2 4 Selecting a supported display mode 2 7 Understanding power management 2 8 Caring for your monitor 2 9 Detaching the monitor base and stand 2 9 Wall Mounting Optional 2 9 Chapter 3 Reference information 3 1 Monitor specifications 3 1 Troubleshooting 3 3 Manual image setup 3 4 Manually installing the monito...

Page 4: ...ected to properly wired and grounded power outlets To isolate the monitor from the electrical supply you must remove the plug from the power outlet The power outlet should be easily accessible To take special precautions to avoid the introduction of hazards when operating installing servicing transporting or storing equipment the necessary instructions shall be made available To reduce the risk of...

Page 5: ...ng items Setup Poster Reference and Driver CD Flat Panel Monitor Power Cord Analog Interface Cable Notice for use To set up your monitor please see the illustrations below Note Do not touch the monitor within the screen area The screen area is glass and can be damaged by rough handling or excessive pressure 1 Carefully lay the monitor on a flat surface 2 Put the stand and base to the monitor Note ...

Page 6: ...k slot Adjusting the tilt The illustration below shows the tile and swivel range of the monitor For more information see Positioning your monitor on page 2 1 Monitor controls Your monitor has controls on the front which are used to adjust the display For information on how to use these controls please see Adjusting your monitor image on page 2 3 ...

Page 7: ...Chapter 1 1 3 Cable lock slot Your monitor is equipped with a cable lock slot located on the rear of your monitor in the lower position ...

Page 8: ...o read the Safety information located on page iii before carrying out this procedure 1 Power off your computer and all attached devices and unplug the computer power cord 2 Connect the cables according to below icon indication 3 Connect one end of the analog signal cable to the monitor D Sub connector and the other end to the computer D SUB HDMI DVI D SUB ...

Page 9: ...the computer 5 Connect one end of the HDMI cable to the monitor HDMI connector and the other end to the computer if it has one HDMI output connector 6 Plug the speaker s audio cable to audio jack of the monitor and the other end on the external speaker audio in jack Note The audio output only for HDMI mode HDMI ...

Page 10: ...relevant national installation and or equipment regulations shall be considered A certified power supply cord not lighter than ordinary polyvinyl chloride flexible cord according to IEC 60227 designation H05VV F 3G 0 75mm2 or H05VVH2 F2 3G0 75mm2 shall be used Alternative a flexible cord be of synthetic rubber according to IEC 60245 designation H05RR F 3G 0 75mm2 shall be used 8 Power on the monit...

Page 11: ...ons 10 To optimize your monitor image press the Automatic Image Setup key Automatic image setup requires that the monitor is warmed up for at least 15 minutes This is not required for normal operation Note If automatic image setup does not establish the image that you prefer perform manual image setup See Manual image setup on page 3 4 ...

Page 12: ...ortable viewing by considering the following items Viewing distance Optimal viewing distances for monitors range from approximately 510mm to 760mm 20 in to 30 in and can vary depending on ambient light and time of day You can achieve different viewing distances by repositioning your monitor or by modifying your posture or chair position Use a viewing distance that is most comfortable for you Monit...

Page 13: ... tips outlined in Arranging your work area on page 2 1 so you can maintain a comfortable and productive posture Also be sure to use the adjustment capabilities of your computer components and office furniture to best suit your preferences now and as your preferences change over time Minor changes in posture can help avoid discomfort The longer you sit and work with your computer the more important...

Page 14: ...irect access controls Icon Control Description Input Change Switches the video input source DDC CI Press and hold for 10 seconds to enable or disable the DDC CI function Exit Exit from menu Image Setup Activates automatic image adjustment NOVO VISION Direct access to NOVO VISION adjustment Menu Enter menu Press and hold for 10 seconds to lock unlock menu Mute setting Press and hold key then press ...

Page 15: ...ess to select that function Use or to make adjustments Press to save 3 Press to move backwards through the sub menus and exit from the OSD 4 Press and hold for 10 seconds to lock the OSD This will prevent accidental adjustments to the OSD Press and hold for 10 seconds to unlock the OSD and allow adjustments to the OSD 5 Enables DDC CI by default Use OSD Exit Key Press and hold for 10 seconds to di...

Page 16: ...anual Manually optimizes the image See Manual image setup on page 3 4 Clock Phase Save Image Properties Color Adjusts intensity of red green and blue Preset mode Neutral sRGB Reddish Bluish Custom Red Increases or decreases the saturation of red in the image Green Increases or decreases the saturation of green in the image Blue Increases or decreases the saturation of blue in the image Save Saves ...

Page 17: ... Default Default returns the menu position to the default settings Custom Horizontal Changes the horizontal position of the OSD Vertical Changes the vertical position of the OSD Save Save the custom position choices Factory default Cancel Reset Reset monitor to the original settings Accessibility Changes button repeat rate and menu time out setting Button repeat rate Select or to change Off Defaul...

Page 18: ...refresh rate to minimize flicker LCD or Flat Panel technology is inherently flicker free Note If your system has previously been used with a CRT monitor and is currently configured to a display mode outside the range of this monitor you may need to reattach the CRT monitor temporarily until you have re configured the system preferably to 1920 x 1080 at 60 Hz which is the Native Resolution Display ...

Page 19: ... Hz 640 x 480 60 Hz 72 Hz 75 Hz 800 x 600 56 Hz 60 Hz 72 Hz 75 Hz 832 x 624 75 Hz 1024 x 768 60 Hz 70 Hz 75 Hz 1152 x 864 75 Hz 1280 x 1024 60 Hz 70 Hz 75 Hz 1280 x 768 60 Hz 1440 x 900 60 Hz 1600 x 900 60 Hz 1680 x 1050 60 Hz 1920 x 1080 60 Hz 480I 60 Hz 480P 60 Hz 576P 50 Hz 720P 50 Hz 60 Hz 1080I 50 Hz 60 Hz 1080P 50 Hz 60 Hz ...

Page 20: ...each working day or whenever you expect to leave it unused for long periods during the day Table 2 4 Power indicator State Power Indicator Screen Restoring Operation Compliance On Steady white Normal Standby Suspend Amber Blank Press a key or move the mouse There may be a slight delay before the image reappears Note Standby also occurs if there is no image output to the monitor ENERGY STAR Off Off...

Page 21: ...r additives This may harm the coating of the screen area Do Lightly dampen a soft cloth with water and use this to gently wipe the covers and the screen Remove grease or finger marks with a damp cloth and a little mild detergent Detaching the monitor base and stand step 1 Place the monitor on a soft and flat surface step 2 Remove the base and stand from the monitor Wall Mounting Optional Refer to ...

Page 22: ... 4 Attach the mounting bracket from the VESA compatible wall mounting kit 100mm x100mm distance VESA Mounting Screw M4 x 10 mm Step 5 Attach the LCD display to the wall following the instructions in the wall mounting kit For use only with UL Listed Wall Mount Bracket with minimum weight load 8kg VESA hole ...

Page 23: ... Pixel pitch 686 0 mm 27 in 336 3 mm 13 24 in 597 9 mm 23 54 in 0 314 mm 0 01 in Power input Supply voltage Max supply current 90 264VAC 100 240VAC 10 1 5 A Power consumption Note Power consumption figures are for the monitor and the power supply combined Normal operation Standby Suspend Off 35W 0 5W Analog 0 5W Digital 0 5W HDMI 0 5W at 100Vac 240Vac Video input Analog Input signal Horizontal add...

Page 24: ...ed Display Modes Horizontal frequency Vertical frequency 30 kHz 83 kHz 50 Hz 75 Hz Native Resolution 1920 x 1080 at 60 Hz Temperature Operating Storage Shipping 0 to 40 C 32 to 104 F 20 to 60 C 4 to 140 F 20 to 60 C 4 to 140 F Humidity Operating Storage Shipping 10 to 80 non condensing 5 to 95 non condensing 5 to 95 non condensing Table 3 1 Monitor specifications for type model LI2721swA ...

Page 25: ... cable is not connected with the monitor or system completely Be sure the signal cable is firmly plugged into the system and monitor Connecting and turning on your monitor on page 1 4 The color settings may be incorrect Select another color setting from the OSD menu Adjusting your monitor image on page 2 3 The automatic image setup function was not performed Perform automatic image setup Adjusting...

Page 26: ...the system properly Connecting and turning on your monitor on page 1 4 The monitor brightness and contrast are at the lowest setting Adjust the brightness and contrast setting on the OSD menu Adjusting your monitor image on page 2 3 One or more of the pixels appear discolored This is a characteristic of the LCD technology and is not an LCD defect If there are more than five pixels missing contact ...

Page 27: ...Advanced Settings icon 7 Click the Monitor tab 8 Click the Properties button 9 Click the Driver tab 10 Click Update Driver then click Browse the computer to find the driver program 11 Select Pick from the list of device driver program on the computer 12 Click the Have Disk button Click the Browse button and navigate to the following directory X Monitor Drivers where X is the drive letter designato...

Page 28: ...lick the Driver tab 11 Click Update Driver then click Browse the computer to find the driver program 12 Select Pick from the list of device driver program on the computer 13 Click the Have Disk button Click the Browse button and navigate to the following directory X Monitor Drivers where X is the drive letter designator for the CD ROM drive 14 Select the lenli2721swa inf file and click the Open bu...

Page 29: ...nical support Installation and configuration support through the Customer Support Center will be available until 90 days after the option has been withdrawn from marketing After that time the support is cancelled or made available for a fee at Lenovo s discretion Additional support is also available for a nominal fee Before contacting a Lenovo technical support representative please have the follo...

Page 30: ...Appendix A A 2 Belgium 80076524 French Dutch Bolivia 800 100 764 Spanish Country or Region Telephone Number ...

Page 31: ...n new editions of the publication Lenovo may make improvements and or changes in the product s and or the program s described in this publication at any time without notice The products described in this document are not intended for use in implantation or other life support applications where malfunction may result in injury or death to persons The information contained in this document does not ...

Page 32: ...llecting reuse and recycling of disused computers and monitors For details visit the Lenovo Web site at www ibm com jp pc service recycle pcrecycle Pursuant to the Law for Promotion of Effective Utilization of Resources the collecting and recycling of home used computers and monitors by the manufacturer was begun on October 1 2003 This service is provided free of charge for home used computers sol...

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